Home / 19,845.52-29,765.70-5,053.55

Finding the Fourth Proportional to 19,845.52, 29,765.70 and 5,053.55

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Solution

The fourth proportional to 19,845.52, 29,765.70 and 5,053.55 is: 7,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.52 : 29,765.70 = 5,053.55 : x
  2. Step 2: Convert to fraction form
    19,845.52/29,765.70 = 5,053.55/x
  3. Step 3: Cross multiply
    19,845.52x = 29,765.70 × 5,053.55
  4. Step 4: Simplify right side
    19,845.52x = 150,422,304.41
  5. Step 5: Solve for x
    x = 150,422,304.41/19,845.52
  6. Step 6: Final answer
    x = 7,579.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.